Problem Display
PID: 94323 (8/8/K3p3/p1p1Q3/3B2p1/P2k2P1/P5B1/8 w - - 0 1)

Herland, Sigmund

Sachove umeni (Ceskoslovensky sach), 1954

8/8/K3p3/p1p1Q3/3B2p1/P2k2P1/P5B1/8

#3

7 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kc4
      • 2.Bf1#
  • Tries
    • 1.Qe2+?
      • 1...Kxd4
        • 2.Qd2+
          • 2...Kc4
            • 3.Bf1#
          • 2...Ke5
            • 3.Qf4#
      • 1...Kxe2!
    • 1.Qe3+?
      • 1...Kc4
        • 2.Qc3#
      • 1...Kc2!
    • 1.Qe4+?
      • 1...Kc4
        • 2.Bf1#
        • 2.Ba1#
        • 2.Bb2#
        • 2.Be5#
        • 2.Bf6#
        • 2.Bg7#
        • 2.Bh8#
      • 1...Kd2!
  • Keys
    • 1.Qe1!
      • 1...Kxd4
        • 2.Qd2+
          • 2...Kc4
            • 3.Bf1#
          • 2...Ke5
            • 3.Qf4#
      • 1...cxd4
        • 2.Be4+
          • 2...Kc4
            • 3.Qc1#
      • 1...a4
        • 2.Be5
          • 2...Kc2
            • 3.Be4#
          • 2...Kc4
            • 3.Qc3#
            • 3.Qf1#
            • 3.Qe2#
            • 3.Qe4#
          • 2...c4
            • 3.Be4#
      • 1...e5
        • 2.Kb5
          • threat
            • 3.Qd1#
          • 2...Kc2
            • 3.Be4#
          • 2...Kxd4
            • 3.Qd2#
          • 2...cxd4
            • 3.Be4#
          • 2...exd4
            • 3.Be4#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).